Importance

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Abstract

The invention relates to a hydraulic device having, in a housing, a rotor, which can rotate about a first axis, with pistons, chambers, which can rotate about a second axis and are formed by a cylindrical wall and a piston. The chamber is connected to a line connection via a first passage, of which a face-plate port forms part. On the side remote from the first face plate, the rotor is provided with rotor ports and with a second passage through each piston for connecting each chamber to a rotor port, it being possible for the rotor ports to rotate along the housing or along a second face plate, which is positioned in the housing, in such a manner as to form a seal. As a result, the rotor can be balanced in the axial direction, so that the axial load is independent of the pressure in the chambers.

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First Claim